Ohira Iromono Awasedo Japanese Natural Sharpening Stone 1332g (2lb. 14.9oz.)
Ohira Iromono Awasedo Japanese Natural Sharpening Stone 1332g (2lb. 14.9oz.) 205mmX76-77mmX38mm, around #4000 grit; Middle range fine grit stone for high carbon cooking knife or Japanese plane or chisel ***unfortunately, during test sharpening and handling the stone, a circle line under the stamps portion crack off. I glued back the portion, and sealed it*** Hardness------- 8.0 It raises very good amount of light color slurry quickly. It is soft stone in the fine grit It gets easy to raise the slurry. (Scale; 1 to 10, 1-3 is very soft muddy rough grit whetstone 3-6 is soft medium grit whetstone, 6-8 is hard medium grit whetstone, 8-10 is fine grit whetstone) Particle Size------ 8.2 (Scale; 1 to 10, 1-3 give deep scratch marks to the steel, 3-5 is delete the 1-3 scratches, 5-8 makes the steel cloudy, 8-10 makes the steel semi-mirror finish or mirror finish) It makes my blue II steel blade knife Jigane to light frosted silver color, and Hagane became semi-mirror finish. It should be gr